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566                                         BABOONS                                         CHAP.

Society's Gardens a year or two back : the young was observed to
take both teats of the mother Into its mouth at once. Mr. Sclater1
In a recent list of the group allows forty-seven species, of which
thirty-three were examined by himself. Subsequently, however,
the list has been reduced to forty by the same authority. One
of the rarest species Is C. stairsi, first described from a skin
stripped from a specimen which lived for a short time at the
Zoological Gardens.

The genus Cynocephalus (or Papio) includes the Baboons ; and
the scientific name indicates the Dog-like aspect of these animals,
due to the projecting snout. Gynoeepfacdus Is confined to
Africa and Arabia. Several of the species of the genus are well
known. The Mandrill, G. mormon (or maimovi), has blue ridges
on the muzzle, the bridge of the nose being red. The animal
lives in herds, and Is ferocious and omnivorous. Hie Chacma
Baboon, G. porccurius, Is the largest of Baboons. It lives in South
Africa in large herds. The Arabian Baboon, G. hamadryas, Is
the Sacred Baboon of the Egyptians, The names of two other
species, 'G. thoth and G. anu'bis^ serve also to remind us of the
ancient Egyptians. There are altogether eleven species of

Gelada (or Theropithecus) is separated as a distinct genus.
Though regarded as a Baboon, Garrod has pointed out many
points of likeness to Gwcopithscus? The two species are, like
the other Baboons, African.
GynopitJiecus niger is a small black Baboon from Celebes. It
has swellings on the muzzle as in other Baboons, but differs from
them in being a more amiable creature as well as in Its smaller
size. It has a rudimentary tail, smaller even than the small tall
of the typical Baboons. It has, like them, Ischial callosities.
In the second sub -family, Semmopithiecinae, the following
characters are distinctive :  All the Apes of this group are slender
in form, with a long tail. There are no cheek pouches. The
stomach is sacculated ; it is divided into three portions. This is
accompanied by an apparently more exclusively vegetarian diet
than characterises other Apes, which mingle with their diet of
fruit a large proportion of insects, eggs, etc.
1 f<Oi3L a new African. Monkey of the genus Oercqpitheeus, with a List of the
Species/* JVoc. Z<?1 Soe. 1893, p. 243 ; see also p, 441.
'JSoot*'8oc. 1879, p. 451.